316 Steel Vacuum Mug With Handle

A 500ml insulated drinkware solution built with medical-grade 316 stainless steel — selected for its exceptional biocompatibility and resistance to degradation from repeated washing and acidic contents. Measuring 18.5cm tall with a 7.5cm base diameter, it balances capacity and portability. The seamless inner wall prevents bacterial trapping, while the polished outer surface resists fingerprints and smudges. Integrated carry handle offers stability; lid features dual functionality — sip-through spout and removable straw insert. Vacuum insulation maintains thermal stability across seasonal UK conditions: tested at 20°C ambient, it retains heat for 7–8 hours and cold for 12–14 hours. Ideal for packed lunches, commuting, or extended outdoor time — equally functional for adults seeking simplicity and children drawn to its friendly appearance. Note: Do not immerse in boiling water pre-filling; allow hot liquids to cool slightly before pouring. Avoid abrasive cleaners or steel wool. Dishwasher use may affect lid seal longevity — hand wash recommended for best performance over time.